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Last updated: 9/1/2014 5:15:54 PM

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National Cyber Awareness System

Vulnerability Summary for CVE-2007-1366

Original release date: 05/02/2007
Last revised: 11/05/2012
Source: US-CERT/NIST

Overview

QEMU 0.8.2 allows local users to crash a virtual machine via the divisor operand to the aam instruction, as demonstrated by "aam 0x0," which triggers a divide-by-zero error.

Impact

CVSS Severity (version 2.0):
CVSS v2 Base Score: 4.9 (MEDIUM) (AV:L/AC:L/Au:N/C:N/I:N/A:C) (legend)
Impact Subscore: 6.9
Exploitability Subscore: 3.9
CVSS Version 2 Metrics:
Access Vector: Locally exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows disruption of service

Vendor Statements (disclaimer)

Official Statement from Red Hat (09/24/2007)
Not vulnerable. This issue did not affect Xen as shipped with Red Hat Enterprise Linux 5.

References to Advisories, Solutions, and Tools

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External Source: MLIST
Name: [Qemu-devel] 20070429 Re: Qemu crashes on AAM 0
External Source: BID
Name: 23731
External Source: VUPEN
Name: ADV-2007-1597
External Source: XF
Name: qemu-aam-dos(34046)
External Source: DEBIAN
Name: DSA-1284
External Source: SECUNIA
Name: 29129
External Source: MANDRIVA
Name: MDVSA-2008:162
External Source: OSVDB
Name: 35498
External Source: SECUNIA
Name: 25095
Type: Advisory
External Source: MISC
Name: http://taviso.decsystem.org/virtsec.pdf
External Source: SECUNIA
Name: 25073
Type: Advisory
External Source: MLIST
Name: [Qemu-devel] 20070428 Qemu crashes on AAM 0

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